Apache HBase runs on HDFS as the underlying filesysystem and benefits from HDFS features such as data reliability, scalability, and durability. HBase stores data as Store Files (HFiles) on the HDFS Datanodes. HFile is the file format for HBase and org.apache.hadoop.hbase.io.hfile.HFile is a Java class. HFile is an HBase-specific file format that is based on the TFile binary file format. A Store File is a lightweight wrapper around the HFile. In addition to storing table data HBase also stores the write-ahead logs (WALs ), which store data before it is written to HFiles on HDFS. ...
© Deepak Vohra 2016
Deepak Vohra, Apache HBase Primer, 10.1007/978-1-4842-2424-3_2
2. Apache HBase and HDFS
Deepak Vohra1
(1)Apt 105, White Rock, British Columbia, Canada
Get Apache HBase Primer now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
